Level 3 The figure shows a rectangle with its corners cut out. Each of the 4 identical corners cut out is a quarter circle. The ratio of the length of the rectangle to its breadth is 13 : 5.
What is the radius of each quarter circle?
What is the perimeter of the shaded part. Take π = 3.14. Give your answer correct to 1 decimal place.
Level 3 The figure shows a rectangle with its corners cut out. Each of the 4 identical corners cut out is a quarter circle. The ratio of the length of the rectangle to its breadth is 13 : 5.
What is the radius of each quarter circle?
What is the perimeter of the shaded part. Take π = 3.14. Give your answer correct to 1 decimal place.
Level 3
Red, blue and green cloths are sold in 40 cm, 70 cm and 100 cm long respectively. Ron wanted to buy equal length of each color. What is the least number of rolls of each color he must buy?
Level 3
Janine has a piece of cloth that is 543 cm long. She uses 384 cm to make a blouse. She wants to make another identical blouse. How much more cloth does she need?
Level 3
Belle painted a letter 'N' on a piece of rectangular cardboard that has a length of 15 cm. The ratio of the length to the breadth of the cardboard is 5 : 4. Both triangles were identical. What area of the cardboard was painted?
Level 3
Belle painted a letter 'N' on a piece of rectangular cardboard that has a length of 15 cm. The ratio of the length to the breadth of the cardboard is 5 : 4. Both triangles were identical. What area of the cardboard was painted?
Level 3
Rachel cuts a piece of string into two pieces. The first piece is 4 m 24 cm long and the second piece is 4 m 3 cm long. What is the difference in the lengths of the two pieces of string? Give the answer in cm.
Level 3
A bookcase has 5 shelves. The first three shelves are 460 cm long each. The next two shelves have a total length of 2 m 45 cm. Find the total length of the 5 shelves. (Give the answer in metres and centimetres.)
Level 3
During a triathlon practice, John swam 1300 m, cycled 30 km 50 m and ran 5 km 20 m. What was the total distance he covered during the triathlon practice? Give the answer in km and m.
Level 3
Some identical rectangular tiles are arranged to form a big rectangle as shown. The length of each tile is 36 cm. Find the area of the shaded part.
Level 3
Some identical rectangular tiles are arranged to form a big rectangle as shown. The length of each tile is 36 cm. Find the area of the shaded part.
